单选题
______ these tests were being conducted, she was able to read a newspaper.
A、
During
B、
On occasion
C、
While
D、
As if
【正确答案】
C
【答案解析】
[解析] 本题测试连接词。A选项错误,因为during是介词,其后不能直接跟句子。B选项错误,因为on occasion常用来做状语,通常不直接引导句子。D选项错误,因为as if其后的句子通常需要使用虚拟语气。C选项正确,因为while是连词,可以引导让步状语从句。
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